Include hidden directory

Author: agners

.github/workflows/ci.yaml

@@ -307,10 +307,11 @@ jobs:
             -o console_output_style=count \
             tests
       - name: Upload coverage artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v5.0.0
         with:
           name: coverage-${{ matrix.python-version }}
           path: .coverage
+          include-hidden-files: true
 
   coverage:
     name: Process test coverage